Finding the Fourth Proportional to 7,499.42, 10,348.93 and 4,142.06

Step by Step Solution

1. Step 1: Write the proportion equation
   7,499.42 : 10,348.93 = 4,142.06 : x
2. Step 2: Convert to fraction form
   7,499.42/10,348.93 = 4,142.06/x
3. Step 3: Cross multiply
   7,499.42x = 10,348.93 × 4,142.06
4. Step 4: Simplify right side
   7,499.42x = 42,865,889.00
5. Step 5: Solve for x
   x = 42,865,889.00/7,499.42
6. Step 6: Final answer
   x = 5,715.89